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Finding the Fourth Proportional to 64,862.40, 97,251.67 and 25,423.50

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Solution

The fourth proportional to 64,862.40, 97,251.67 and 25,423.50 is: 38,118.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,862.40 : 97,251.67 = 25,423.50 : x
  2. Step 2: Convert to fraction form
    64,862.40/97,251.67 = 25,423.50/x
  3. Step 3: Cross multiply
    64,862.40x = 97,251.67 × 25,423.50
  4. Step 4: Simplify right side
    64,862.40x = 2,472,477,705.13
  5. Step 5: Solve for x
    x = 2,472,477,705.13/64,862.40
  6. Step 6: Final answer
    x = 38,118.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.